..O
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ontology
- a branch of metaphysics dealing with the nature of being
- ontological
- pertaining to ontology
- ontological conception of vagueness
- the theory that some vagueness is inherent in the nature of things themselves, rather than in the language we use to talk about them
(see also: semantic conception of vagueness)
- opaque
- not permitting the transmission of light, or of enlightenment
- opacity
- the property of being opaque
- open
- undisguised, public, manifest; not exclusive or limited
- open brand
- a brand which is not limited to use by some particular organisation but is made generally available under terms similar to those for Open Source software.
- open mind
- a mind open to new ideas, lacking in prejudice, not dogmatic.
- open sesame
- a way of acquiring or achieving something which would not normally be possible (magic words used in The Arabian Nights)
- open society
- a society with wide dissemination of information and freedom of belief.
See: [Popper45a/b].
- open source
- a software development ethos in which the product and its sources are licenced without charge under very liberal licencing conditions. See OpenSource.org.
- operational
- concerning methods of working
- operational semantics
- a semantics for a programming language, given by defining how the program should (or could) be evaluated or compiled
- See also:
- structured operational semantics
- oracle
- a person or thing regarded as infallible
- (recursion theory)
- the study of relative recursiveness involves reasoning about the capabilities of Turing machines equipped with an oracle capable of answering a problem the Turing machine could not otherwise have answered (e.g. an oracle for the halting problem).
- see also:
- FAn oracle
- ordinal
- of or concerning and order
- ordinal number
- numbers denoting position ("first", "second", "third", ...), as opposed to cardinal numbers indicating quantity ("one", "two", "three", ...).
- See also:
- successor ordinal
- limit ordinal
- overload
- load excessively
- overloading (computing)
- a kind of polymorphism in programming languages involving the use of the same name to denote several different values or operations.
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oxymoron
- a figure of speech which is apparently self contradictory
© 
created 1997-7-20 modified 2002-9-30